/*=================================================================== QGroundControl Open Source Ground Control Station (c) 2009, 2010 QGROUNDCONTROL PROJECT <http://www.qgroundcontrol.org> This file is part of the QGROUNDCONTROL project QGROUNDCONTROL is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. QGROUNDCONTROL is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with QGROUNDCONTROL. If not, see <http://www.gnu.org/licenses/>. ======================================================================*/ #include "JsonHelper.h" #include <QJsonArray> const char* JsonHelper::_enumStringsJsonKey = "enumStrings"; const char* JsonHelper::_enumValuesJsonKey = "enumValues"; bool JsonHelper::validateRequiredKeys(const QJsonObject& jsonObject, const QStringList& keys, QString& errorString) { QString missingKeys; foreach(const QString& key, keys) { if (!jsonObject.contains(key)) { if (!missingKeys.isEmpty()) { missingKeys += QStringLiteral(", "); } missingKeys += key; } } if (missingKeys.count() != 0) { errorString = QString("The following required keys are missing: %1").arg(missingKeys); return false; } return true; } bool JsonHelper::toQGeoCoordinate(const QJsonValue& jsonValue, QGeoCoordinate& coordinate, bool altitudeRequired, QString& errorString) { if (!jsonValue.isArray()) { errorString = QStringLiteral("JSon value for coordinate is not array"); return false; } QJsonArray coordinateArray = jsonValue.toArray(); int requiredCount = altitudeRequired ? 3 : 2; if (coordinateArray.count() != requiredCount) { errorString = QString("Coordinate array must contain %1 values").arg(requiredCount); return false; } foreach(const QJsonValue& jsonValue, coordinateArray) { if (jsonValue.type() != QJsonValue::Double) { errorString = QString("Coordinate array may only contain double values, found: %1").arg(jsonValue.type()); return false; } } coordinate = QGeoCoordinate(coordinateArray[0].toDouble(), coordinateArray[1].toDouble()); if (altitudeRequired) { coordinate.setAltitude(coordinateArray[2].toDouble()); } if (!coordinate.isValid()) { errorString = QString("Coordinate is invalid: %1").arg(coordinate.toString()); return false; } return true; } void JsonHelper::writeQGeoCoordinate(QJsonValue& jsonValue, const QGeoCoordinate& coordinate, bool writeAltitude) { QJsonArray coordinateArray; coordinateArray << coordinate.latitude() << coordinate.longitude(); if (writeAltitude) { coordinateArray << coordinate.altitude(); } jsonValue = QJsonValue(coordinateArray); } bool JsonHelper::validateKeyTypes(const QJsonObject& jsonObject, const QStringList& keys, const QList<QJsonValue::Type>& types, QString& errorString) { for (int i=0; i<keys.count(); i++) { if (jsonObject.contains(keys[i])) { if (jsonObject.value(keys[i]).type() != types[i]) { errorString = QString("Incorrect type key:type:expected %1 %2 %3").arg(keys[i]).arg(jsonObject.value(keys[i]).type()).arg(types[i]); return false; } } } return true; } bool JsonHelper::parseEnum(QJsonObject& jsonObject, QStringList& enumStrings, QStringList& enumValues, QString& errorString) { enumStrings = jsonObject.value(_enumStringsJsonKey).toString().split(",", QString::SkipEmptyParts); enumValues = jsonObject.value(_enumValuesJsonKey).toString().split(",", QString::SkipEmptyParts); if (enumStrings.count() != enumValues.count()) { errorString = QString("enum strings/values count mismatch: %1"); return false; } return true; }